On Tuesday, March 25, 2003, at 04:36 AM, T.L.Miller wrote: > Tue, Mar 25, 2003 7:30 PM xxl at mac.com XXL said: > >> Batteries have a finite number of charge-discharge cycles. (How >> many? I >> have heard the figure 400-500 for a LiIon battery-why doesn't someone >> research that?) When operating time starts to taper off you are >> approaching >> that limit and need to buy a new battery and see to it that the old >> one is >> properly disposed of. > > How would you equate that to a situation where it is plugged in 95% of > the time? > Recently I read some battery info that indicated Li-ion Batteries have a shelf life of about 3 years so even if you don't use it. So over time it still will decay to hold less and less of a charge. frank farwell